Product name: colorful light microvibration massage mask
Product model: TM-MR-097
Patent number: ZL201430315566.4
Size: 195 (L)*400 (W)*0.2(thickness) mm
Product weight (gross/net weight) : 413.9g(including battery) /342.3g
Packing size :250(L)*200(W)*105(H)mm
Packing: high-grade gift box
Quantity/Box: 20 PCS/Box
Carton size: 470(L)*415(W)*515(H)MM
Gross weight/net weight/box: 21.5kg/19.96kg
Electricity flow: < 650 mAh
Voltage: 4.5 V
Power: < 0.975 W
Power supply: three AA alkaline batteries
Material: silicone + electronic components +ABS
Red wavelength: 620-640nm
How often to replace stored batteries: 6 months